Arza married Laverna C. Bishop, daughter of Abial D. Bishop and Dorcas Lindsey, 15 September 1846.781 (Laverna C. Bishop was born 3 November 1826 in Leeds, Androscoggin County, Maine,779 died 27 February 1905 in Monmouth, Kennebec County, Maine 252,784 and was buried after 27 February 1905 in Leeds, Androscoggin County, Maine at Union Cemetery (formerly Wade's Cor. Cemetery) 784.) The cause of her death was organic disease of the heart.